根据国际结算银行，公共部门债券只仅仅占到了欧洲银行对希腊，爱尔兰，葡萄牙和西班牙的15%。

According to the bank for International Settlements, public-sector bonds account for only about 15% of European Banks' exposure to Greece, Ireland, Portugal and Spain.

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因此，根据国际结算银行(Bankfor International Settlements)的统计数字，中国三月份按贸易额加权的汇率比九个月之前还要低约4%。

As a result, China's trade-weighted exchange rate was about 4% lower in March than it was nine months before, according to the Bank for International Settlements.

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因此，根据国际结算银行(Bankfor International Settlements)的统计数字，中国三月份按贸易额加权的汇率比九个月之前还要低约4%。

As a result, China's trade-weighted exchange rate was about 4% lower in March than it was nine months before, according to the Bank for International Settlements.

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